PERCHERS. 85 



to make the nest appear like a natural growth. The 

 eggs are pure white. The Ruby-throated Humming 

 Bird is common throughout the United States. 



Whippoorwills and Nighthawks. 



The Chuck-will's Widow, whose curious notes are 

 heard in the evening and in the early morning in the 



Fig n6. — Whippooiw 



Southern States, and the Whippoorwill and Nighthawk 

 of the United States generally, are closely related to 



Fig. 117. — Nighthawk. 



